872566770 has 32 divisors (see below), whose sum is σ = 2095020288. Its totient is φ = 232588928.

The previous prime is 872566711. The next prime is 872566813. The reversal of 872566770 is 77665278.

It is a super-2 number, since 2×872566770² = 1522745536216465800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97942 + ... + 106478.

It is an arithmetic number, because the mean of its divisors is an integer number (65469384).

Almost surely, 2^872566770 is an apocalyptic number.

872566770 is an abundant number, since it is smaller than the sum of its proper divisors (1222453518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872566770 is a wasteful number, since it uses less digits than its factorization.

872566770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954.

The product of its (nonzero) digits is 987840, while the sum is 48.

The square root of 872566770 is about 29539.2411886291. The cubic root of 872566770 is about 955.5781775237.

The spelling of 872566770 in words is "eight hundred seventy-two million, five hundred sixty-six thousand, seven hundred seventy".